We run a small business in Diamond Bar, and over the years our large front glass window has unfortunately been vandalized several times with BB guns and broken into on a few occasions. Each time, Johnny--the owner--responded promptly, either repairing the glass or boarding it up right away so we could feel safe and secure. Even when he was busy, Johnny always communicated clearly and let me know when he could come by. His pricing is fair and reasonable, and his service has been consistently reliable. I would highly recommend Johnny to anyone in need of glass door or window repair or replacement. read more

Qui Glass & Mirror - Windows Installation Near Me - Diamond Bar, California

Jonny (Qui) did a wonderful job with my custom mirror! He has a lot of experience. He is honest, thorough, and polite. I am a very happy customer! I will definitely use his services again! Thank you Jonny! read more

Thankfully Johnny immediate help us install new door after a break in happened in our store. Highly Recommended! read more

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Johnny came for the estimage and completed the windows repair (replacement) the next day. Great job and will use again!

Called this company to have a leaky window fixed. The guy on the phone asked about the building, and said he's stop by to take a look. Never heard back. So I called, left a message. Waited, called and left another message. He then sends a text saying he's stop by the following day. Ok, great! So I wait and wait some more. Called him again to leave a message about the window, no response. I wait another week, and no response. Do you start to see a pattern here? Picks up the first time, strings you along, to keep you from getting someone out that's more responsive. When you try to follow up, he ignores your calls, ignores your messages and you're left waiting without a response. This company apparently thinks their time is much more valuable than yours. Save yourself a couple of weeks and find another company, because if you call Qui Glass and Mirror, you'll only be left waiting. read more

Johnny was one of the few contractors in the area that was able to come in on an emergency after a burglary. He came in w crutches and a cast on his leg! What an epitome of a hard work ethic. He came in and was able to replace a window and switch a glass door for us. One thing I noticed about him was that he is a great boss. He was helping another worker and guiding him about the project since he wasn't able to work at 100%. He was encouraging and also positive about the project. When Johnny tells you he can do it....he will do it! Overall great experience after a horrific event. Thanks Johnny. read more

Great service! We needed a customized, bathroom mirror and Johnny helped us get the size we needed. He was quick, provided installation and delivery. read more

Qui Glass & Mirror - Customized Frameless mirror - Windows Installation Near Me - Diamond Bar, California

Replaced back door with ease. Very friendly.

So amazing! We had taken our windows to a hardware store and they said one pane was too big and then they said the other one had a broken spline and they couldn't fix it. We took both to Qui and Johnny finished the smaller window in a matter of hours and the larger window took a day. He was on top of communicating with me to let me know when things were done. His prices were very reasonable and I have found my glass guy. read more

Absolutely awesome experience.. I called and setup an appt and he was there in less than an hour.. great price quite and he got right to business.. by the time the bigger guys were still trying to see if they could get someone there today.. this fellow had the job DONE!! He is local to Diamond Bar so especially if you live on our awesome city.. call him up! And consider it done read more

Never show up! Never respond phone calls! Don't waste your time on it. Go find other stores even you need to pay higher. Johnny arranged a date to measure my window however he never showed up and didn't pick up phone or called back. Terrible attitude I have ever seen! read more

We needed to replace our broken window right away. Qui Glass and Mirror came to our rescue even if it was on a Sunday. Mr. Qui ,the window installer was very respectful and compassionate to our situation. He gave us a temporary window on the same day. He replaced the permanent window 2 days after. They did an excellent job . Thank you so much! We are very grateful for your service! read more

He is so kind and works super fast :) He changed my window glass and also my screen ! Happy with his work. read more

Had a broken window, called Johnny and he came within an hour and fixed our window. Very happy for quick and friendly service. He knew what he was doing and appreciated him cleaning up the glass through his vacuum. Very knowledgeable and very reasonable prices. highly recommended and thank you Johnny! read more

Jonny really loves his work, very professional! Reasonable price too~ I will definitely call him again in future for all my glass and mirrors work. read more

My closet door mirror broken up by my son. Once Johnny, the owner, has the size of our mirror ordered, he came to my house to uninstall the closet door, took it back to his place and came back within 3 hours to reinstall the new closet door with brand new mirror. It is all hassle free. My top panel with mirror has one side that was falling off, he glued it back for me at no charge. I would definitely be using his Company again if I will have any shower door, window or mirror replacement. read more

I am very disappointed by the poor customer service and failure to return calls. After leaving 3 voicemails over a span of 4 days, I have given up and will move on to another provider. Qui Glass was my first choice but it is apparent that they do not value repeat customers. I would recommend you obtain a written quote for all work beforehand if you really want to take the risk. There are many other glass companies. read more

Over priced. He doesn't do quality work. He doesn't have an eye for details and he never on time. My friend used him for a mirror and well it sucks. There's a chip where Qui put the glass on top of tile and didn't use protective shims to prevent glass from getting damage from being set on tile. Not professional. Also he won't return calls if there's a problem with his craftsmanship and warranty. I would never recommend this guy to anyone. read more

Johnny is a really good guy. He did lots of window and glass repair work at my home. Was always courteous and nice. On time. I would highly recommend Johnny to anyone looking to get anything done on their windows or glass. He is fair with pricing. Highly recommend. read more

We've used him twice. Extremely happy. First time was to repair our patio slider after it was vandalized. It has a beveled pattern used in the windows throughout the house. He did a great job measuring and precisely matching the bevel. The replacement is a perfect match. The second time I called him was for a custom shower door and wall in our new master bath. It looks great and is still perfect now some three years later. To sum up in three words: Fast, dependable and affordable. read more

This guy get the job done efficiently and with extremely fair pricing. As stated in other reviews he is not very punctual but he does show up. Very down to earth and knowledgeable as well in all windows and mirror installations. read more

I found Johnny and Qui Glass & Mirror by searching Yelp. He showed up for a free estimate and gave me a very reasonable price. He did a great job. My bathroom looks awesome. I highly recommend them. You will not be disappointed with his service. read more

Qui Glass & Mirror - Windows Installation Near Me - Diamond Bar, California

Johnny replaced our broken sliding door Glass. He came out the same day to take measurements and explained the process. He gave us fair pricing on installation and glass door replacement. Johnny is very friendly and professional. He finished within 2.5 hours. He is also very clean, and made sure all of our broken glass was out of sight. He even sprayed our railing door with silicone to make our sliding door smooth. I will definitely recommend Johnny and I will call him if we ever need anything again. Thank you Johnny read more

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Qui's glass did my parents' 2 sliding doors. They gave them a great price, and the quality of their work and products they used can be compared or if not BETTER than other glass businesses. My family will be going back for future home improvements, for the fact Qui aka Johnny is a trustworthy, honest and very professional individual. read more

oh gosh! Johnny is a really nice man, but his bad reviews are real. When I first read about him missing appointments and dodging calls, I thought it was just haters.... but then it happens to me! I told Johnny that I was canceling a previews appointment in order to have my glass fixed and he said he would be coming Thursday at 8 AM. I woke up gave him a call and no response. Well, He seems like a great guy but if you choose to use this guys, be prepared for a man that might not show up and return your calls read more

We inherited a Curio from our Grandparents. Over time, a glass panel in the furniture cracked. Qui's Glass was able to replace the panel quickly and at a fair price. I highly recommend their service. read more

He was quick and very reasonable with priced. He fixed my glass door on the spot. I will definitely use him in the future.

We had 3 broken windows, one of which was on the second floor. Johnny came out the same day of our call and gave us a very fair price. He also gave us many good suggestions and options. Johnny is very friendly and professional. He made sure all of the broken glass was cleared and cleaned. I will definitely recommend Johnny and I will call him again if we ever need anything again. read more

Our patio door became very difficult to open/close. We called Johnny and he came out quickly. It was a roller problem. There was a complication that the middle of the door frame sagged a little bit so it was not easy to take the door our. Johnny was very experienced and fix the door in 30 minutes. It has been working like new since. read more

Great job by Johnny! Came out on a Sunday after a break-in at my business. Everyone else told me to pay for a board up then replace the glass on Monday. Johnny got me the glass installed in an hour, cleaned up after himself and the burglars, did it with a smile and for less money! Yay Johnny!!!! read more

24hour emergency board up service read more

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Johnny is extraordinary! , i had custom size glass for an old window and he took his time over the phone and gave me multiple options , I picked up my custom size made glass within the same day and he didn't mind it was after business hours . Thank YoU ! read more

Qui Glass & Mirror - Windows Installation Near Me - Diamond Bar, California

Johnny is so nice! I called ahead to ask if he could cut a very small piece of glass for me, even though he had prior arrangements, he waited for me to arrive and he handed me quality work within 10 minutes! About a week later, I had to make adjustment to the glass piece because I made some changes to my fish tank. Called Johnny, he was able to help me resize it right away! So nice and professional! read more

I called Johnny today and he came within an hour and fixed 2 windows. Johnny is very friendly, honest and knowledgable. His service is highly recommended. read more

Johnny is very friendly. He come on-time to measure and install. The price is very fair. I definitely will choose this place again. read more

Johnny was very, very responsive to my needs. A glass tabletop broken by one of the kids. Dangerous! He came by, measured the fitting and replaced the glass all in the same day. I recommend him highly especially since his costs are reasonable. Also, he mentioned he gets requests every day to repair broken glass from home robberies. Join a neighborhood watch group folks and stay safe! read more

They did a great job. They came out quickly. This is the second time we have used Qui. I highly recommend.

Finally getting around to writing a review for Qui Glass & Mirror. Johnny is all around awesome. He came same day to take measurements, give an estimate and do the repair installation. He was super thorough, and tidy he even cleaned the window that wasn't broken. Incredibly nice and totally fair when it comes to prices. Hope we never have to replace a window again, but if we have to we would definitely call Johnny! Thank you! read more

We got a new dining set and we intend to preserve the finish so we decided to put a glass on top. We called about 4 places and we got the best estimate, a very reasonable price and service from Johnny. The rest wasn't even closed. Johnny came about an hour after talking to him and had it done to a perfect fit in about 45 minutes. He cut, sand and polish the glass on site. My wife was very happy with the quality of workmanship. We will definitely recommend Johnny to our friends and relatives. He was honest and personable and above all, he did an amazing job. read more

Quick to respond, goes beyond what he needs to do complete the job. Excellent workmanship and clean up afterwards.